11530742 has 8 divisors (see below), whose sum is σ = 17422776. Its totient is φ = 5723152.

The previous prime is 11530741. The next prime is 11530781. The reversal of 11530742 is 24703511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11530742² = 265916022141128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11530741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20768 + ... + 21315.

It is an arithmetic number, because the mean of its divisors is an integer number (2177847).

Almost surely, 2^11530742 is an apocalyptic number.

11530742 is a deficient number, since it is larger than the sum of its proper divisors (5892034).

11530742 is a wasteful number, since it uses less digits than its factorization.

11530742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42222.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 11530742 is about 3395.6946270240. The cubic root of 11530742 is about 225.9188237972.

The spelling of 11530742 in words is "eleven million, five hundred thirty thousand, seven hundred forty-two".